colormap.h

/*
Adapted from https://github.com/yuki-koyama/tinycolormap
*/
#include <math.h>
#include <stdio.h>

#define min(a,b) (((a)<(b))?(a):(b))
#define max(a,b) (((a)>(b))?(a):(b))

void interpolate(float *c0, float *c1, float t, float *result)
{
    result[0] = (1.0 - t) * c0[0] + t * c1[0];
    result[1] = (1.0 - t) * c0[1] + t * c1[1];
    result[2] = (1.0 - t) * c0[2] + t * c1[2];
}

void copy(float *a, float *result)
{
    result[0] = a[0];
    result[1] = a[1];
    result[2] = a[2];
}

void get_heat_color(float x, float *color)
{
    x = max(0, min(1, x));

    float data[] =
    {
         0.0, 0.0, 1.0 ,
         0.0, 1.0, 1.0 ,
         0.0, 1.0, 0.0 ,
         1.0, 1.0, 0.0 ,
         1.0, 0.0, 0.0 
    };
    float a  = x * ((sizeof(data) / sizeof(float) / 3) - 1);
    float t  = a - floor(a);
    float  *c0 = &(data[3*(int)a]); // floor(a)
    float  *c1 = &(data[3*(int)(a+0.5)]); // ceil(a)

    interpolate(c0, c1, t, color);
}

void get_jet_color(float x, float *color)
{
    x = max(0, min(1, x));

    float data[] =
    {
        0.0, 0.0, 0.5,
        0.0, 0.0, 1.0,
        0.0, 0.5, 1.0,
        0.0, 1.0, 1.0,
        0.5, 1.0, 0.5,
        1.0, 1.0, 0.0,
        1.0, 0.5, 0.0,
        1.0, 0.0, 0.0,
        0.5, 0.0, 0.0
    };

    float a  = x * ((sizeof(data) / sizeof(float) / 3) - 1);
    float t  = a - floor(a);
    float *c0 = &(data[3*(int)a]);
    float *c1 = &(data[3*(int)(a+0.5)]);

    interpolate(c0, c1, t, color);
}

void get_hot_color(float x, float *color)
{
    x = max(0, min(1, x));

    float r[]={1.0, 0.0, 0.0};
    float g[]={0.0, 1.0, 0.0};
    float b[]={0.0, 0.0, 1.0};

    if (x < 0.4)
    {
        float t = x / 0.4;
        color[0]=t*r[0];
        color[1]=t*r[1];
        color[2]=t*r[2];
        return;
    }
    else if (x < 0.8)
    {
        float t = (x - 0.4) / (0.8 - 0.4);
        color[0]=r[0] + t * g[0];
        color[1]=r[1] + t * g[1];
        color[2]=r[2] + t * g[2];
        return;
    }
    else
    {
        float t = (x - 0.8) / (1.0 - 0.8);
        color[0] = r[0] + g[0] + t * b[0];
        color[1] = r[1] + g[1] + t * b[1];
        color[2] = r[2] + g[2] + t * b[2];
    }
}

void get_gray_color(float x, float *color)
{
    x = max(0, min(1, x));

    color[0] = (1.0 - x);
    color[1] = (1.0 - x);
    color[2] = (1.0 - x);
}

void get_magma_color(float x, float *color)
{
    x = max(0, min(1, x));

    float data[] =
    {
        0.001462, 0.000466, 0.013866,
        0.002258, 0.001295, 0.018331,
        0.003279, 0.002305, 0.023708,
        0.004512, 0.003490, 0.029965,
        0.005950, 0.004843, 0.037130,
        0.007588, 0.006356, 0.044973,
        0.009426, 0.008022, 0.052844,
        0.011465, 0.009828, 0.060750,
        0.013708, 0.011771, 0.068667,
        0.016156, 0.013840, 0.076603,
        0.018815, 0.016026, 0.084584,
        0.021692, 0.018320, 0.092610,
        0.024792, 0.020715, 0.100676,
        0.028123, 0.023201, 0.108787,
        0.031696, 0.025765, 0.116965,
        0.035520, 0.028397, 0.125209,
        0.039608, 0.031090, 0.133515,
        0.043830, 0.033830, 0.141886,
        0.048062, 0.036607, 0.150327,
        0.052320, 0.039407, 0.158841,
        0.056615, 0.042160, 0.167446,
        0.060949, 0.044794, 0.176129,
        0.065330, 0.047318, 0.184892,
        0.069764, 0.049726, 0.193735,
        0.074257, 0.052017, 0.202660,
        0.078815, 0.054184, 0.211667,
        0.083446, 0.056225, 0.220755,
        0.088155, 0.058133, 0.229922,
        0.092949, 0.059904, 0.239164,
        0.097833, 0.061531, 0.248477,
        0.102815, 0.063010, 0.257854,
        0.107899, 0.064335, 0.267289,
        0.113094, 0.065492, 0.276784,
        0.118405, 0.066479, 0.286321,
        0.123833, 0.067295, 0.295879,
        0.129380, 0.067935, 0.305443,
        0.135053, 0.068391, 0.315000,
        0.140858, 0.068654, 0.324538,
        0.146785, 0.068738, 0.334011,
        0.152839, 0.068637, 0.343404,
        0.159018, 0.068354, 0.352688,
        0.165308, 0.067911, 0.361816,
        0.171713, 0.067305, 0.370771,
        0.178212, 0.066576, 0.379497,
        0.184801, 0.065732, 0.387973,
        0.191460, 0.064818, 0.396152,
        0.198177, 0.063862, 0.404009,
        0.204935, 0.062907, 0.411514,
        0.211718, 0.061992, 0.418647,
        0.218512, 0.061158, 0.425392,
        0.225302, 0.060445, 0.431742,
        0.232077, 0.059889, 0.437695,
        0.238826, 0.059517, 0.443256,
        0.245543, 0.059352, 0.448436,
        0.252220, 0.059415, 0.453248,
        0.258857, 0.059706, 0.457710,
        0.265447, 0.060237, 0.461840,
        0.271994, 0.060994, 0.465660,
        0.278493, 0.061978, 0.469190,
        0.284951, 0.063168, 0.472451,
        0.291366, 0.064553, 0.475462,
        0.297740, 0.066117, 0.478243,
        0.304081, 0.067835, 0.480812,
        0.310382, 0.069702, 0.483186,
        0.316654, 0.071690, 0.485380,
        0.322899, 0.073782, 0.487408,
        0.329114, 0.075972, 0.489287,
        0.335308, 0.078236, 0.491024,
        0.341482, 0.080564, 0.492631,
        0.347636, 0.082946, 0.494121,
        0.353773, 0.085373, 0.495501,
        0.359898, 0.087831, 0.496778,
        0.366012, 0.090314, 0.497960,
        0.372116, 0.092816, 0.499053,
        0.378211, 0.095332, 0.500067,
        0.384299, 0.097855, 0.501002,
        0.390384, 0.100379, 0.501864,
        0.396467, 0.102902, 0.502658,
        0.402548, 0.105420, 0.503386,
        0.408629, 0.107930, 0.504052,
        0.414709, 0.110431, 0.504662,
        0.420791, 0.112920, 0.505215,
        0.426877, 0.115395, 0.505714,
        0.432967, 0.117855, 0.506160,
        0.439062, 0.120298, 0.506555,
        0.445163, 0.122724, 0.506901,
        0.451271, 0.125132, 0.507198,
        0.457386, 0.127522, 0.507448,
        0.463508, 0.129893, 0.507652,
        0.469640, 0.132245, 0.507809,
        0.475780, 0.134577, 0.507921,
        0.481929, 0.136891, 0.507989,
        0.488088, 0.139186, 0.508011,
        0.494258, 0.141462, 0.507988,
        0.500438, 0.143719, 0.507920,
        0.506629, 0.145958, 0.507806,
        0.512831, 0.148179, 0.507648,
        0.519045, 0.150383, 0.507443,
        0.525270, 0.152569, 0.507192,
        0.531507, 0.154739, 0.506895,
        0.537755, 0.156894, 0.506551,
        0.544015, 0.159033, 0.506159,
        0.550287, 0.161158, 0.505719,
        0.556571, 0.163269, 0.505230,
        0.562866, 0.165368, 0.504692,
        0.569172, 0.167454, 0.504105,
        0.575490, 0.169530, 0.503466,
        0.581819, 0.171596, 0.502777,
        0.588158, 0.173652, 0.502035,
        0.594508, 0.175701, 0.501241,
        0.600868, 0.177743, 0.500394,
        0.607238, 0.179779, 0.499492,
        0.613617, 0.181811, 0.498536,
        0.620005, 0.183840, 0.497524,
        0.626401, 0.185867, 0.496456,
        0.632805, 0.187893, 0.495332,
        0.639216, 0.189921, 0.494150,
        0.645633, 0.191952, 0.492910,
        0.652056, 0.193986, 0.491611,
        0.658483, 0.196027, 0.490253,
        0.664915, 0.198075, 0.488836,
        0.671349, 0.200133, 0.487358,
        0.677786, 0.202203, 0.485819,
        0.684224, 0.204286, 0.484219,
        0.690661, 0.206384, 0.482558,
        0.697098, 0.208501, 0.480835,
        0.703532, 0.210638, 0.479049,
        0.709962, 0.212797, 0.477201,
        0.716387, 0.214982, 0.475290,
        0.722805, 0.217194, 0.473316,
        0.729216, 0.219437, 0.471279,
        0.735616, 0.221713, 0.469180,
        0.742004, 0.224025, 0.467018,
        0.748378, 0.226377, 0.464794,
        0.754737, 0.228772, 0.462509,
        0.761077, 0.231214, 0.460162,
        0.767398, 0.233705, 0.457755,
        0.773695, 0.236249, 0.455289,
        0.779968, 0.238851, 0.452765,
        0.786212, 0.241514, 0.450184,
        0.792427, 0.244242, 0.447543,
        0.798608, 0.247040, 0.444848,
        0.804752, 0.249911, 0.442102,
        0.810855, 0.252861, 0.439305,
        0.816914, 0.255895, 0.436461,
        0.822926, 0.259016, 0.433573,
        0.828886, 0.262229, 0.430644,
        0.834791, 0.265540, 0.427671,
        0.840636, 0.268953, 0.424666,
        0.846416, 0.272473, 0.421631,
        0.852126, 0.276106, 0.418573,
        0.857763, 0.279857, 0.415496,
        0.863320, 0.283729, 0.412403,
        0.868793, 0.287728, 0.409303,
        0.874176, 0.291859, 0.406205,
        0.879464, 0.296125, 0.403118,
        0.884651, 0.300530, 0.400047,
        0.889731, 0.305079, 0.397002,
        0.894700, 0.309773, 0.393995,
        0.899552, 0.314616, 0.391037,
        0.904281, 0.319610, 0.388137,
        0.908884, 0.324755, 0.385308,
        0.913354, 0.330052, 0.382563,
        0.917689, 0.335500, 0.379915,
        0.921884, 0.341098, 0.377376,
        0.925937, 0.346844, 0.374959,
        0.929845, 0.352734, 0.372677,
        0.933606, 0.358764, 0.370541,
        0.937221, 0.364929, 0.368567,
        0.940687, 0.371224, 0.366762,
        0.944006, 0.377643, 0.365136,
        0.947180, 0.384178, 0.363701,
        0.950210, 0.390820, 0.362468,
        0.953099, 0.397563, 0.361438,
        0.955849, 0.404400, 0.360619,
        0.958464, 0.411324, 0.360014,
        0.960949, 0.418323, 0.359630,
        0.963310, 0.425390, 0.359469,
        0.965549, 0.432519, 0.359529,
        0.967671, 0.439703, 0.359810,
        0.969680, 0.446936, 0.360311,
        0.971582, 0.454210, 0.361030,
        0.973381, 0.461520, 0.361965,
        0.975082, 0.468861, 0.363111,
        0.976690, 0.476226, 0.364466,
        0.978210, 0.483612, 0.366025,
        0.979645, 0.491014, 0.367783,
        0.981000, 0.498428, 0.369734,
        0.982279, 0.505851, 0.371874,
        0.983485, 0.513280, 0.374198,
        0.984622, 0.520713, 0.376698,
        0.985693, 0.528148, 0.379371,
        0.986700, 0.535582, 0.382210,
        0.987646, 0.543015, 0.385210,
        0.988533, 0.550446, 0.388365,
        0.989363, 0.557873, 0.391671,
        0.990138, 0.565296, 0.395122,
        0.990871, 0.572706, 0.398714,
        0.991558, 0.580107, 0.402441,
        0.992196, 0.587502, 0.406299,
        0.992785, 0.594891, 0.410283,
        0.993326, 0.602275, 0.414390,
        0.993834, 0.609644, 0.418613,
        0.994309, 0.616999, 0.422950,
        0.994738, 0.624350, 0.427397,
        0.995122, 0.631696, 0.431951,
        0.995480, 0.639027, 0.436607,
        0.995810, 0.646344, 0.441361,
        0.996096, 0.653659, 0.446213,
        0.996341, 0.660969, 0.451160,
        0.996580, 0.668256, 0.456192,
        0.996775, 0.675541, 0.461314,
        0.996925, 0.682828, 0.466526,
        0.997077, 0.690088, 0.471811,
        0.997186, 0.697349, 0.477182,
        0.997254, 0.704611, 0.482635,
        0.997325, 0.711848, 0.488154,
        0.997351, 0.719089, 0.493755,
        0.997351, 0.726324, 0.499428,
        0.997341, 0.733545, 0.505167,
        0.997285, 0.740772, 0.510983,
        0.997228, 0.747981, 0.516859,
        0.997138, 0.755190, 0.522806,
        0.997019, 0.762398, 0.528821,
        0.996898, 0.769591, 0.534892,
        0.996727, 0.776795, 0.541039,
        0.996571, 0.783977, 0.547233,
        0.996369, 0.791167, 0.553499,
        0.996162, 0.798348, 0.559820,
        0.995932, 0.805527, 0.566202,
        0.995680, 0.812706, 0.572645,
        0.995424, 0.819875, 0.579140,
        0.995131, 0.827052, 0.585701,
        0.994851, 0.834213, 0.592307,
        0.994524, 0.841387, 0.598983,
        0.994222, 0.848540, 0.605696,
        0.993866, 0.855711, 0.612482,
        0.993545, 0.862859, 0.619299,
        0.993170, 0.870024, 0.626189,
        0.992831, 0.877168, 0.633109,
        0.992440, 0.884330, 0.640099,
        0.992089, 0.891470, 0.647116,
        0.991688, 0.898627, 0.654202,
        0.991332, 0.905763, 0.661309,
        0.990930, 0.912915, 0.668481,
        0.990570, 0.920049, 0.675675,
        0.990175, 0.927196, 0.682926,
        0.989815, 0.934329, 0.690198,
        0.989434, 0.941470, 0.697519,
        0.989077, 0.948604, 0.704863,
        0.988717, 0.955742, 0.712242,
        0.988367, 0.962878, 0.719649,
        0.988033, 0.970012, 0.727077,
        0.987691, 0.977154, 0.734536,
        0.987387, 0.984288, 0.742002,
        0.987053, 0.991438, 0.749504
    };

    copy(&(data[3*(int)(x * 255.0)]), color);
}

void get_inferno_color(float x, float *color)
{
    x = max(0, min(1, x));

    float data[] =
    {
        0.001462, 0.000466, 0.013866,
        0.002267, 0.001270, 0.018570,
        0.003299, 0.002249, 0.024239,
        0.004547, 0.003392, 0.030909,
        0.006006, 0.004692, 0.038558,
        0.007676, 0.006136, 0.046836,
        0.009561, 0.007713, 0.055143,
        0.011663, 0.009417, 0.063460,
        0.013995, 0.011225, 0.071862,
        0.016561, 0.013136, 0.080282,
        0.019373, 0.015133, 0.088767,
        0.022447, 0.017199, 0.097327,
        0.025793, 0.019331, 0.105930,
        0.029432, 0.021503, 0.114621,
        0.033385, 0.023702, 0.123397,
        0.037668, 0.025921, 0.132232,
        0.042253, 0.028139, 0.141141,
        0.046915, 0.030324, 0.150164,
        0.051644, 0.032474, 0.159254,
        0.056449, 0.034569, 0.168414,
        0.061340, 0.036590, 0.177642,
        0.066331, 0.038504, 0.186962,
        0.071429, 0.040294, 0.196354,
        0.076637, 0.041905, 0.205799,
        0.081962, 0.043328, 0.215289,
        0.087411, 0.044556, 0.224813,
        0.092990, 0.045583, 0.234358,
        0.098702, 0.046402, 0.243904,
        0.104551, 0.047008, 0.253430,
        0.110536, 0.047399, 0.262912,
        0.116656, 0.047574, 0.272321,
        0.122908, 0.047536, 0.281624,
        0.129285, 0.047293, 0.290788,
        0.135778, 0.046856, 0.299776,
        0.142378, 0.046242, 0.308553,
        0.149073, 0.045468, 0.317085,
        0.155850, 0.044559, 0.325338,
        0.162689, 0.043554, 0.333277,
        0.169575, 0.042489, 0.340874,
        0.176493, 0.041402, 0.348111,
        0.183429, 0.040329, 0.354971,
        0.190367, 0.039309, 0.361447,
        0.197297, 0.038400, 0.367535,
        0.204209, 0.037632, 0.373238,
        0.211095, 0.037030, 0.378563,
        0.217949, 0.036615, 0.383522,
        0.224763, 0.036405, 0.388129,
        0.231538, 0.036405, 0.392400,
        0.238273, 0.036621, 0.396353,
        0.244967, 0.037055, 0.400007,
        0.251620, 0.037705, 0.403378,
        0.258234, 0.038571, 0.406485,
        0.264810, 0.039647, 0.409345,
        0.271347, 0.040922, 0.411976,
        0.277850, 0.042353, 0.414392,
        0.284321, 0.043933, 0.416608,
        0.290763, 0.045644, 0.418637,
        0.297178, 0.047470, 0.420491,
        0.303568, 0.049396, 0.422182,
        0.309935, 0.051407, 0.423721,
        0.316282, 0.053490, 0.425116,
        0.322610, 0.055634, 0.426377,
        0.328921, 0.057827, 0.427511,
        0.335217, 0.060060, 0.428524,
        0.341500, 0.062325, 0.429425,
        0.347771, 0.064616, 0.430217,
        0.354032, 0.066925, 0.430906,
        0.360284, 0.069247, 0.431497,
        0.366529, 0.071579, 0.431994,
        0.372768, 0.073915, 0.432400,
        0.379001, 0.076253, 0.432719,
        0.385228, 0.078591, 0.432955,
        0.391453, 0.080927, 0.433109,
        0.397674, 0.083257, 0.433183,
        0.403894, 0.085580, 0.433179,
        0.410113, 0.087896, 0.433098,
        0.416331, 0.090203, 0.432943,
        0.422549, 0.092501, 0.432714,
        0.428768, 0.094790, 0.432412,
        0.434987, 0.097069, 0.432039,
        0.441207, 0.099338, 0.431594,
        0.447428, 0.101597, 0.431080,
        0.453651, 0.103848, 0.430498,
        0.459875, 0.106089, 0.429846,
        0.466100, 0.108322, 0.429125,
        0.472328, 0.110547, 0.428334,
        0.478558, 0.112764, 0.427475,
        0.484789, 0.114974, 0.426548,
        0.491022, 0.117179, 0.425552,
        0.497257, 0.119379, 0.424488,
        0.503493, 0.121575, 0.423356,
        0.509730, 0.123769, 0.422156,
        0.515967, 0.125960, 0.420887,
        0.522206, 0.128150, 0.419549,
        0.528444, 0.130341, 0.418142,
        0.534683, 0.132534, 0.416667,
        0.540920, 0.134729, 0.415123,
        0.547157, 0.136929, 0.413511,
        0.553392, 0.139134, 0.411829,
        0.559624, 0.141346, 0.410078,
        0.565854, 0.143567, 0.408258,
        0.572081, 0.145797, 0.406369,
        0.578304, 0.148039, 0.404411,
        0.584521, 0.150294, 0.402385,
        0.590734, 0.152563, 0.400290,
        0.596940, 0.154848, 0.398125,
        0.603139, 0.157151, 0.395891,
        0.609330, 0.159474, 0.393589,
        0.615513, 0.161817, 0.391219,
        0.621685, 0.164184, 0.388781,
        0.627847, 0.166575, 0.386276,
        0.633998, 0.168992, 0.383704,
        0.640135, 0.171438, 0.381065,
        0.646260, 0.173914, 0.378359,
        0.652369, 0.176421, 0.375586,
        0.658463, 0.178962, 0.372748,
        0.664540, 0.181539, 0.369846,
        0.670599, 0.184153, 0.366879,
        0.676638, 0.186807, 0.363849,
        0.682656, 0.189501, 0.360757,
        0.688653, 0.192239, 0.357603,
        0.694627, 0.195021, 0.354388,
        0.700576, 0.197851, 0.351113,
        0.706500, 0.200728, 0.347777,
        0.712396, 0.203656, 0.344383,
        0.718264, 0.206636, 0.340931,
        0.724103, 0.209670, 0.337424,
        0.729909, 0.212759, 0.333861,
        0.735683, 0.215906, 0.330245,
        0.741423, 0.219112, 0.326576,
        0.747127, 0.222378, 0.322856,
        0.752794, 0.225706, 0.319085,
        0.758422, 0.229097, 0.315266,
        0.764010, 0.232554, 0.311399,
        0.769556, 0.236077, 0.307485,
        0.775059, 0.239667, 0.303526,
        0.780517, 0.243327, 0.299523,
        0.785929, 0.247056, 0.295477,
        0.791293, 0.250856, 0.291390,
        0.796607, 0.254728, 0.287264,
        0.801871, 0.258674, 0.283099,
        0.807082, 0.262692, 0.278898,
        0.812239, 0.266786, 0.274661,
        0.817341, 0.270954, 0.270390,
        0.822386, 0.275197, 0.266085,
        0.827372, 0.279517, 0.261750,
        0.832299, 0.283913, 0.257383,
        0.837165, 0.288385, 0.252988,
        0.841969, 0.292933, 0.248564,
        0.846709, 0.297559, 0.244113,
        0.851384, 0.302260, 0.239636,
        0.855992, 0.307038, 0.235133,
        0.860533, 0.311892, 0.230606,
        0.865006, 0.316822, 0.226055,
        0.869409, 0.321827, 0.221482,
        0.873741, 0.326906, 0.216886,
        0.878001, 0.332060, 0.212268,
        0.882188, 0.337287, 0.207628,
        0.886302, 0.342586, 0.202968,
        0.890341, 0.347957, 0.198286,
        0.894305, 0.353399, 0.193584,
        0.898192, 0.358911, 0.188860,
        0.902003, 0.364492, 0.184116,
        0.905735, 0.370140, 0.179350,
        0.909390, 0.375856, 0.174563,
        0.912966, 0.381636, 0.169755,
        0.916462, 0.387481, 0.164924,
        0.919879, 0.393389, 0.160070,
        0.923215, 0.399359, 0.155193,
        0.926470, 0.405389, 0.150292,
        0.929644, 0.411479, 0.145367,
        0.932737, 0.417627, 0.140417,
        0.935747, 0.423831, 0.135440,
        0.938675, 0.430091, 0.130438,
        0.941521, 0.436405, 0.125409,
        0.944285, 0.442772, 0.120354,
        0.946965, 0.449191, 0.115272,
        0.949562, 0.455660, 0.110164,
        0.952075, 0.462178, 0.105031,
        0.954506, 0.468744, 0.099874,
        0.956852, 0.475356, 0.094695,
        0.959114, 0.482014, 0.089499,
        0.961293, 0.488716, 0.084289,
        0.963387, 0.495462, 0.079073,
        0.965397, 0.502249, 0.073859,
        0.967322, 0.509078, 0.068659,
        0.969163, 0.515946, 0.063488,
        0.970919, 0.522853, 0.058367,
        0.972590, 0.529798, 0.053324,
        0.974176, 0.536780, 0.048392,
        0.975677, 0.543798, 0.043618,
        0.977092, 0.550850, 0.039050,
        0.978422, 0.557937, 0.034931,
        0.979666, 0.565057, 0.031409,
        0.980824, 0.572209, 0.028508,
        0.981895, 0.579392, 0.026250,
        0.982881, 0.586606, 0.024661,
        0.983779, 0.593849, 0.023770,
        0.984591, 0.601122, 0.023606,
        0.985315, 0.608422, 0.024202,
        0.985952, 0.615750, 0.025592,
        0.986502, 0.623105, 0.027814,
        0.986964, 0.630485, 0.030908,
        0.987337, 0.637890, 0.034916,
        0.987622, 0.645320, 0.039886,
        0.987819, 0.652773, 0.045581,
        0.987926, 0.660250, 0.051750,
        0.987945, 0.667748, 0.058329,
        0.987874, 0.675267, 0.065257,
        0.987714, 0.682807, 0.072489,
        0.987464, 0.690366, 0.079990,
        0.987124, 0.697944, 0.087731,
        0.986694, 0.705540, 0.095694,
        0.986175, 0.713153, 0.103863,
        0.985566, 0.720782, 0.112229,
        0.984865, 0.728427, 0.120785,
        0.984075, 0.736087, 0.129527,
        0.983196, 0.743758, 0.138453,
        0.982228, 0.751442, 0.147565,
        0.981173, 0.759135, 0.156863,
        0.980032, 0.766837, 0.166353,
        0.978806, 0.774545, 0.176037,
        0.977497, 0.782258, 0.185923,
        0.976108, 0.789974, 0.196018,
        0.974638, 0.797692, 0.206332,
        0.973088, 0.805409, 0.216877,
        0.971468, 0.813122, 0.227658,
        0.969783, 0.820825, 0.238686,
        0.968041, 0.828515, 0.249972,
        0.966243, 0.836191, 0.261534,
        0.964394, 0.843848, 0.273391,
        0.962517, 0.851476, 0.285546,
        0.960626, 0.859069, 0.298010,
        0.958720, 0.866624, 0.310820,
        0.956834, 0.874129, 0.323974,
        0.954997, 0.881569, 0.337475,
        0.953215, 0.888942, 0.351369,
        0.951546, 0.896226, 0.365627,
        0.950018, 0.903409, 0.380271,
        0.948683, 0.910473, 0.395289,
        0.947594, 0.917399, 0.410665,
        0.946809, 0.924168, 0.426373,
        0.946392, 0.930761, 0.442367,
        0.946403, 0.937159, 0.458592,
        0.946903, 0.943348, 0.474970,
        0.947937, 0.949318, 0.491426,
        0.949545, 0.955063, 0.507860,
        0.951740, 0.960587, 0.524203,
        0.954529, 0.965896, 0.540361,
        0.957896, 0.971003, 0.556275,
        0.961812, 0.975924, 0.571925,
        0.966249, 0.980678, 0.587206,
        0.971162, 0.985282, 0.602154,
        0.976511, 0.989753, 0.616760,
        0.982257, 0.994109, 0.631017,
        0.988362, 0.998364, 0.644924
    };

    copy(&(data[3*(int)(x * 255.0)]), color);
}

void get_plasma_color(float x, float *color)
{
    x = max(0, min(1, x));

    float data[] =
    {
        0.050383, 0.029803, 0.527975,
        0.063536, 0.028426, 0.533124,
        0.075353, 0.027206, 0.538007,
        0.086222, 0.026125, 0.542658,
        0.096379, 0.025165, 0.547103,
        0.105980, 0.024309, 0.551368,
        0.115124, 0.023556, 0.555468,
        0.123903, 0.022878, 0.559423,
        0.132381, 0.022258, 0.563250,
        0.140603, 0.021687, 0.566959,
        0.148607, 0.021154, 0.570562,
        0.156421, 0.020651, 0.574065,
        0.164070, 0.020171, 0.577478,
        0.171574, 0.019706, 0.580806,
        0.178950, 0.019252, 0.584054,
        0.186213, 0.018803, 0.587228,
        0.193374, 0.018354, 0.590330,
        0.200445, 0.017902, 0.593364,
        0.207435, 0.017442, 0.596333,
        0.214350, 0.016973, 0.599239,
        0.221197, 0.016497, 0.602083,
        0.227983, 0.016007, 0.604867,
        0.234715, 0.015502, 0.607592,
        0.241396, 0.014979, 0.610259,
        0.248032, 0.014439, 0.612868,
        0.254627, 0.013882, 0.615419,
        0.261183, 0.013308, 0.617911,
        0.267703, 0.012716, 0.620346,
        0.274191, 0.012109, 0.622722,
        0.280648, 0.011488, 0.625038,
        0.287076, 0.010855, 0.627295,
        0.293478, 0.010213, 0.629490,
        0.299855, 0.009561, 0.631624,
        0.306210, 0.008902, 0.633694,
        0.312543, 0.008239, 0.635700,
        0.318856, 0.007576, 0.637640,
        0.325150, 0.006915, 0.639512,
        0.331426, 0.006261, 0.641316,
        0.337683, 0.005618, 0.643049,
        0.343925, 0.004991, 0.644710,
        0.350150, 0.004382, 0.646298,
        0.356359, 0.003798, 0.647810,
        0.362553, 0.003243, 0.649245,
        0.368733, 0.002724, 0.650601,
        0.374897, 0.002245, 0.651876,
        0.381047, 0.001814, 0.653068,
        0.387183, 0.001434, 0.654177,
        0.393304, 0.001114, 0.655199,
        0.399411, 0.000859, 0.656133,
        0.405503, 0.000678, 0.656977,
        0.411580, 0.000577, 0.657730,
        0.417642, 0.000564, 0.658390,
        0.423689, 0.000646, 0.658956,
        0.429719, 0.000831, 0.659425,
        0.435734, 0.001127, 0.659797,
        0.441732, 0.001540, 0.660069,
        0.447714, 0.002080, 0.660240,
        0.453677, 0.002755, 0.660310,
        0.459623, 0.003574, 0.660277,
        0.465550, 0.004545, 0.660139,
        0.471457, 0.005678, 0.659897,
        0.477344, 0.006980, 0.659549,
        0.483210, 0.008460, 0.659095,
        0.489055, 0.010127, 0.658534,
        0.494877, 0.011990, 0.657865,
        0.500678, 0.014055, 0.657088,
        0.506454, 0.016333, 0.656202,
        0.512206, 0.018833, 0.655209,
        0.517933, 0.021563, 0.654109,
        0.523633, 0.024532, 0.652901,
        0.529306, 0.027747, 0.651586,
        0.534952, 0.031217, 0.650165,
        0.540570, 0.034950, 0.648640,
        0.546157, 0.038954, 0.647010,
        0.551715, 0.043136, 0.645277,
        0.557243, 0.047331, 0.643443,
        0.562738, 0.051545, 0.641509,
        0.568201, 0.055778, 0.639477,
        0.573632, 0.060028, 0.637349,
        0.579029, 0.064296, 0.635126,
        0.584391, 0.068579, 0.632812,
        0.589719, 0.072878, 0.630408,
        0.595011, 0.077190, 0.627917,
        0.600266, 0.081516, 0.625342,
        0.605485, 0.085854, 0.622686,
        0.610667, 0.090204, 0.619951,
        0.615812, 0.094564, 0.617140,
        0.620919, 0.098934, 0.614257,
        0.625987, 0.103312, 0.611305,
        0.631017, 0.107699, 0.608287,
        0.636008, 0.112092, 0.605205,
        0.640959, 0.116492, 0.602065,
        0.645872, 0.120898, 0.598867,
        0.650746, 0.125309, 0.595617,
        0.655580, 0.129725, 0.592317,
        0.660374, 0.134144, 0.588971,
        0.665129, 0.138566, 0.585582,
        0.669845, 0.142992, 0.582154,
        0.674522, 0.147419, 0.578688,
        0.679160, 0.151848, 0.575189,
        0.683758, 0.156278, 0.571660,
        0.688318, 0.160709, 0.568103,
        0.692840, 0.165141, 0.564522,
        0.697324, 0.169573, 0.560919,
        0.701769, 0.174005, 0.557296,
        0.706178, 0.178437, 0.553657,
        0.710549, 0.182868, 0.550004,
        0.714883, 0.187299, 0.546338,
        0.719181, 0.191729, 0.542663,
        0.723444, 0.196158, 0.538981,
        0.727670, 0.200586, 0.535293,
        0.731862, 0.205013, 0.531601,
        0.736019, 0.209439, 0.527908,
        0.740143, 0.213864, 0.524216,
        0.744232, 0.218288, 0.520524,
        0.748289, 0.222711, 0.516834,
        0.752312, 0.227133, 0.513149,
        0.756304, 0.231555, 0.509468,
        0.760264, 0.235976, 0.505794,
        0.764193, 0.240396, 0.502126,
        0.768090, 0.244817, 0.498465,
        0.771958, 0.249237, 0.494813,
        0.775796, 0.253658, 0.491171,
        0.779604, 0.258078, 0.487539,
        0.783383, 0.262500, 0.483918,
        0.787133, 0.266922, 0.480307,
        0.790855, 0.271345, 0.476706,
        0.794549, 0.275770, 0.473117,
        0.798216, 0.280197, 0.469538,
        0.801855, 0.284626, 0.465971,
        0.805467, 0.289057, 0.462415,
        0.809052, 0.293491, 0.458870,
        0.812612, 0.297928, 0.455338,
        0.816144, 0.302368, 0.451816,
        0.819651, 0.306812, 0.448306,
        0.823132, 0.311261, 0.444806,
        0.826588, 0.315714, 0.441316,
        0.830018, 0.320172, 0.437836,
        0.833422, 0.324635, 0.434366,
        0.836801, 0.329105, 0.430905,
        0.840155, 0.333580, 0.427455,
        0.843484, 0.338062, 0.424013,
        0.846788, 0.342551, 0.420579,
        0.850066, 0.347048, 0.417153,
        0.853319, 0.351553, 0.413734,
        0.856547, 0.356066, 0.410322,
        0.859750, 0.360588, 0.406917,
        0.862927, 0.365119, 0.403519,
        0.866078, 0.369660, 0.400126,
        0.869203, 0.374212, 0.396738,
        0.872303, 0.378774, 0.393355,
        0.875376, 0.383347, 0.389976,
        0.878423, 0.387932, 0.386600,
        0.881443, 0.392529, 0.383229,
        0.884436, 0.397139, 0.379860,
        0.887402, 0.401762, 0.376494,
        0.890340, 0.406398, 0.373130,
        0.893250, 0.411048, 0.369768,
        0.896131, 0.415712, 0.366407,
        0.898984, 0.420392, 0.363047,
        0.901807, 0.425087, 0.359688,
        0.904601, 0.429797, 0.356329,
        0.907365, 0.434524, 0.352970,
        0.910098, 0.439268, 0.349610,
        0.912800, 0.444029, 0.346251,
        0.915471, 0.448807, 0.342890,
        0.918109, 0.453603, 0.339529,
        0.920714, 0.458417, 0.336166,
        0.923287, 0.463251, 0.332801,
        0.925825, 0.468103, 0.329435,
        0.928329, 0.472975, 0.326067,
        0.930798, 0.477867, 0.322697,
        0.933232, 0.482780, 0.319325,
        0.935630, 0.487712, 0.315952,
        0.937990, 0.492667, 0.312575,
        0.940313, 0.497642, 0.309197,
        0.942598, 0.502639, 0.305816,
        0.944844, 0.507658, 0.302433,
        0.947051, 0.512699, 0.299049,
        0.949217, 0.517763, 0.295662,
        0.951344, 0.522850, 0.292275,
        0.953428, 0.527960, 0.288883,
        0.955470, 0.533093, 0.285490,
        0.957469, 0.538250, 0.282096,
        0.959424, 0.543431, 0.278701,
        0.961336, 0.548636, 0.275305,
        0.963203, 0.553865, 0.271909,
        0.965024, 0.559118, 0.268513,
        0.966798, 0.564396, 0.265118,
        0.968526, 0.569700, 0.261721,
        0.970205, 0.575028, 0.258325,
        0.971835, 0.580382, 0.254931,
        0.973416, 0.585761, 0.251540,
        0.974947, 0.591165, 0.248151,
        0.976428, 0.596595, 0.244767,
        0.977856, 0.602051, 0.241387,
        0.979233, 0.607532, 0.238013,
        0.980556, 0.613039, 0.234646,
        0.981826, 0.618572, 0.231287,
        0.983041, 0.624131, 0.227937,
        0.984199, 0.629718, 0.224595,
        0.985301, 0.635330, 0.221265,
        0.986345, 0.640969, 0.217948,
        0.987332, 0.646633, 0.214648,
        0.988260, 0.652325, 0.211364,
        0.989128, 0.658043, 0.208100,
        0.989935, 0.663787, 0.204859,
        0.990681, 0.669558, 0.201642,
        0.991365, 0.675355, 0.198453,
        0.991985, 0.681179, 0.195295,
        0.992541, 0.687030, 0.192170,
        0.993032, 0.692907, 0.189084,
        0.993456, 0.698810, 0.186041,
        0.993814, 0.704741, 0.183043,
        0.994103, 0.710698, 0.180097,
        0.994324, 0.716681, 0.177208,
        0.994474, 0.722691, 0.174381,
        0.994553, 0.728728, 0.171622,
        0.994561, 0.734791, 0.168938,
        0.994495, 0.740880, 0.166335,
        0.994355, 0.746995, 0.163821,
        0.994141, 0.753137, 0.161404,
        0.993851, 0.759304, 0.159092,
        0.993482, 0.765499, 0.156891,
        0.993033, 0.771720, 0.154808,
        0.992505, 0.777967, 0.152855,
        0.991897, 0.784239, 0.151042,
        0.991209, 0.790537, 0.149377,
        0.990439, 0.796859, 0.147870,
        0.989587, 0.803205, 0.146529,
        0.988648, 0.809579, 0.145357,
        0.987621, 0.815978, 0.144363,
        0.986509, 0.822401, 0.143557,
        0.985314, 0.828846, 0.142945,
        0.984031, 0.835315, 0.142528,
        0.982653, 0.841812, 0.142303,
        0.981190, 0.848329, 0.142279,
        0.979644, 0.854866, 0.142453,
        0.977995, 0.861432, 0.142808,
        0.976265, 0.868016, 0.143351,
        0.974443, 0.874622, 0.144061,
        0.972530, 0.881250, 0.144923,
        0.970533, 0.887896, 0.145919,
        0.968443, 0.894564, 0.147014,
        0.966271, 0.901249, 0.148180,
        0.964021, 0.907950, 0.149370,
        0.961681, 0.914672, 0.150520,
        0.959276, 0.921407, 0.151566,
        0.956808, 0.928152, 0.152409,
        0.954287, 0.934908, 0.152921,
        0.951726, 0.941671, 0.152925,
        0.949151, 0.948435, 0.152178,
        0.946602, 0.955190, 0.150328,
        0.944152, 0.961916, 0.146861,
        0.941896, 0.968590, 0.140956,
        0.940015, 0.975158, 0.131326
    };

    copy(&(data[3*(int)(x * 255.0)]), color);
}

void get_viridis_color(float x, float *color)
{
    x = max(0, min(1, x));

    float data[] =
    {
        0.267004, 0.004874, 0.329415,
        0.268510, 0.009605, 0.335427,
        0.269944, 0.014625, 0.341379,
        0.271305, 0.019942, 0.347269,
        0.272594, 0.025563, 0.353093,
        0.273809, 0.031497, 0.358853,
        0.274952, 0.037752, 0.364543,
        0.276022, 0.044167, 0.370164,
        0.277018, 0.050344, 0.375715,
        0.277941, 0.056324, 0.381191,
        0.278791, 0.062145, 0.386592,
        0.279566, 0.067836, 0.391917,
        0.280267, 0.073417, 0.397163,
        0.280894, 0.078907, 0.402329,
        0.281446, 0.084320, 0.407414,
        0.281924, 0.089666, 0.412415,
        0.282327, 0.094955, 0.417331,
        0.282656, 0.100196, 0.422160,
        0.282910, 0.105393, 0.426902,
        0.283091, 0.110553, 0.431554,
        0.283197, 0.115680, 0.436115,
        0.283229, 0.120777, 0.440584,
        0.283187, 0.125848, 0.444960,
        0.283072, 0.130895, 0.449241,
        0.282884, 0.135920, 0.453427,
        0.282623, 0.140926, 0.457517,
        0.282290, 0.145912, 0.461510,
        0.281887, 0.150881, 0.465405,
        0.281412, 0.155834, 0.469201,
        0.280868, 0.160771, 0.472899,
        0.280255, 0.165693, 0.476498,
        0.279574, 0.170599, 0.479997,
        0.278826, 0.175490, 0.483397,
        0.278012, 0.180367, 0.486697,
        0.277134, 0.185228, 0.489898,
        0.276194, 0.190074, 0.493001,
        0.275191, 0.194905, 0.496005,
        0.274128, 0.199721, 0.498911,
        0.273006, 0.204520, 0.501721,
        0.271828, 0.209303, 0.504434,
        0.270595, 0.214069, 0.507052,
        0.269308, 0.218818, 0.509577,
        0.267968, 0.223549, 0.512008,
        0.266580, 0.228262, 0.514349,
        0.265145, 0.232956, 0.516599,
        0.263663, 0.237631, 0.518762,
        0.262138, 0.242286, 0.520837,
        0.260571, 0.246922, 0.522828,
        0.258965, 0.251537, 0.524736,
        0.257322, 0.256130, 0.526563,
        0.255645, 0.260703, 0.528312,
        0.253935, 0.265254, 0.529983,
        0.252194, 0.269783, 0.531579,
        0.250425, 0.274290, 0.533103,
        0.248629, 0.278775, 0.534556,
        0.246811, 0.283237, 0.535941,
        0.244972, 0.287675, 0.537260,
        0.243113, 0.292092, 0.538516,
        0.241237, 0.296485, 0.539709,
        0.239346, 0.300855, 0.540844,
        0.237441, 0.305202, 0.541921,
        0.235526, 0.309527, 0.542944,
        0.233603, 0.313828, 0.543914,
        0.231674, 0.318106, 0.544834,
        0.229739, 0.322361, 0.545706,
        0.227802, 0.326594, 0.546532,
        0.225863, 0.330805, 0.547314,
        0.223925, 0.334994, 0.548053,
        0.221989, 0.339161, 0.548752,
        0.220057, 0.343307, 0.549413,
        0.218130, 0.347432, 0.550038,
        0.216210, 0.351535, 0.550627,
        0.214298, 0.355619, 0.551184,
        0.212395, 0.359683, 0.551710,
        0.210503, 0.363727, 0.552206,
        0.208623, 0.367752, 0.552675,
        0.206756, 0.371758, 0.553117,
        0.204903, 0.375746, 0.553533,
        0.203063, 0.379716, 0.553925,
        0.201239, 0.383670, 0.554294,
        0.199430, 0.387607, 0.554642,
        0.197636, 0.391528, 0.554969,
        0.195860, 0.395433, 0.555276,
        0.194100, 0.399323, 0.555565,
        0.192357, 0.403199, 0.555836,
        0.190631, 0.407061, 0.556089,
        0.188923, 0.410910, 0.556326,
        0.187231, 0.414746, 0.556547,
        0.185556, 0.418570, 0.556753,
        0.183898, 0.422383, 0.556944,
        0.182256, 0.426184, 0.557120,
        0.180629, 0.429975, 0.557282,
        0.179019, 0.433756, 0.557430,
        0.177423, 0.437527, 0.557565,
        0.175841, 0.441290, 0.557685,
        0.174274, 0.445044, 0.557792,
        0.172719, 0.448791, 0.557885,
        0.171176, 0.452530, 0.557965,
        0.169646, 0.456262, 0.558030,
        0.168126, 0.459988, 0.558082,
        0.166617, 0.463708, 0.558119,
        0.165117, 0.467423, 0.558141,
        0.163625, 0.471133, 0.558148,
        0.162142, 0.474838, 0.558140,
        0.160665, 0.478540, 0.558115,
        0.159194, 0.482237, 0.558073,
        0.157729, 0.485932, 0.558013,
        0.156270, 0.489624, 0.557936,
        0.154815, 0.493313, 0.557840,
        0.153364, 0.497000, 0.557724,
        0.151918, 0.500685, 0.557587,
        0.150476, 0.504369, 0.557430,
        0.149039, 0.508051, 0.557250,
        0.147607, 0.511733, 0.557049,
        0.146180, 0.515413, 0.556823,
        0.144759, 0.519093, 0.556572,
        0.143343, 0.522773, 0.556295,
        0.141935, 0.526453, 0.555991,
        0.140536, 0.530132, 0.555659,
        0.139147, 0.533812, 0.555298,
        0.137770, 0.537492, 0.554906,
        0.136408, 0.541173, 0.554483,
        0.135066, 0.544853, 0.554029,
        0.133743, 0.548535, 0.553541,
        0.132444, 0.552216, 0.553018,
        0.131172, 0.555899, 0.552459,
        0.129933, 0.559582, 0.551864,
        0.128729, 0.563265, 0.551229,
        0.127568, 0.566949, 0.550556,
        0.126453, 0.570633, 0.549841,
        0.125394, 0.574318, 0.549086,
        0.124395, 0.578002, 0.548287,
        0.123463, 0.581687, 0.547445,
        0.122606, 0.585371, 0.546557,
        0.121831, 0.589055, 0.545623,
        0.121148, 0.592739, 0.544641,
        0.120565, 0.596422, 0.543611,
        0.120092, 0.600104, 0.542530,
        0.119738, 0.603785, 0.541400,
        0.119512, 0.607464, 0.540218,
        0.119423, 0.611141, 0.538982,
        0.119483, 0.614817, 0.537692,
        0.119699, 0.618490, 0.536347,
        0.120081, 0.622161, 0.534946,
        0.120638, 0.625828, 0.533488,
        0.121380, 0.629492, 0.531973,
        0.122312, 0.633153, 0.530398,
        0.123444, 0.636809, 0.528763,
        0.124780, 0.640461, 0.527068,
        0.126326, 0.644107, 0.525311,
        0.128087, 0.647749, 0.523491,
        0.130067, 0.651384, 0.521608,
        0.132268, 0.655014, 0.519661,
        0.134692, 0.658636, 0.517649,
        0.137339, 0.662252, 0.515571,
        0.140210, 0.665859, 0.513427,
        0.143303, 0.669459, 0.511215,
        0.146616, 0.673050, 0.508936,
        0.150148, 0.676631, 0.506589,
        0.153894, 0.680203, 0.504172,
        0.157851, 0.683765, 0.501686,
        0.162016, 0.687316, 0.499129,
        0.166383, 0.690856, 0.496502,
        0.170948, 0.694384, 0.493803,
        0.175707, 0.697900, 0.491033,
        0.180653, 0.701402, 0.488189,
        0.185783, 0.704891, 0.485273,
        0.191090, 0.708366, 0.482284,
        0.196571, 0.711827, 0.479221,
        0.202219, 0.715272, 0.476084,
        0.208030, 0.718701, 0.472873,
        0.214000, 0.722114, 0.469588,
        0.220124, 0.725509, 0.466226,
        0.226397, 0.728888, 0.462789,
        0.232815, 0.732247, 0.459277,
        0.239374, 0.735588, 0.455688,
        0.246070, 0.738910, 0.452024,
        0.252899, 0.742211, 0.448284,
        0.259857, 0.745492, 0.444467,
        0.266941, 0.748751, 0.440573,
        0.274149, 0.751988, 0.436601,
        0.281477, 0.755203, 0.432552,
        0.288921, 0.758394, 0.428426,
        0.296479, 0.761561, 0.424223,
        0.304148, 0.764704, 0.419943,
        0.311925, 0.767822, 0.415586,
        0.319809, 0.770914, 0.411152,
        0.327796, 0.773980, 0.406640,
        0.335885, 0.777018, 0.402049,
        0.344074, 0.780029, 0.397381,
        0.352360, 0.783011, 0.392636,
        0.360741, 0.785964, 0.387814,
        0.369214, 0.788888, 0.382914,
        0.377779, 0.791781, 0.377939,
        0.386433, 0.794644, 0.372886,
        0.395174, 0.797475, 0.367757,
        0.404001, 0.800275, 0.362552,
        0.412913, 0.803041, 0.357269,
        0.421908, 0.805774, 0.351910,
        0.430983, 0.808473, 0.346476,
        0.440137, 0.811138, 0.340967,
        0.449368, 0.813768, 0.335384,
        0.458674, 0.816363, 0.329727,
        0.468053, 0.818921, 0.323998,
        0.477504, 0.821444, 0.318195,
        0.487026, 0.823929, 0.312321,
        0.496615, 0.826376, 0.306377,
        0.506271, 0.828786, 0.300362,
        0.515992, 0.831158, 0.294279,
        0.525776, 0.833491, 0.288127,
        0.535621, 0.835785, 0.281908,
        0.545524, 0.838039, 0.275626,
        0.555484, 0.840254, 0.269281,
        0.565498, 0.842430, 0.262877,
        0.575563, 0.844566, 0.256415,
        0.585678, 0.846661, 0.249897,
        0.595839, 0.848717, 0.243329,
        0.606045, 0.850733, 0.236712,
        0.616293, 0.852709, 0.230052,
        0.626579, 0.854645, 0.223353,
        0.636902, 0.856542, 0.216620,
        0.647257, 0.858400, 0.209861,
        0.657642, 0.860219, 0.203082,
        0.668054, 0.861999, 0.196293,
        0.678489, 0.863742, 0.189503,
        0.688944, 0.865448, 0.182725,
        0.699415, 0.867117, 0.175971,
        0.709898, 0.868751, 0.169257,
        0.720391, 0.870350, 0.162603,
        0.730889, 0.871916, 0.156029,
        0.741388, 0.873449, 0.149561,
        0.751884, 0.874951, 0.143228,
        0.762373, 0.876424, 0.137064,
        0.772852, 0.877868, 0.131109,
        0.783315, 0.879285, 0.125405,
        0.793760, 0.880678, 0.120005,
        0.804182, 0.882046, 0.114965,
        0.814576, 0.883393, 0.110347,
        0.824940, 0.884720, 0.106217,
        0.835270, 0.886029, 0.102646,
        0.845561, 0.887322, 0.099702,
        0.855810, 0.888601, 0.097452,
        0.866013, 0.889868, 0.095953,
        0.876168, 0.891125, 0.095250,
        0.886271, 0.892374, 0.095374,
        0.896320, 0.893616, 0.096335,
        0.906311, 0.894855, 0.098125,
        0.916242, 0.896091, 0.100717,
        0.926106, 0.897330, 0.104071,
        0.935904, 0.898570, 0.108131,
        0.945636, 0.899815, 0.112838,
        0.955300, 0.901065, 0.118128,
        0.964894, 0.902323, 0.123941,
        0.974417, 0.903590, 0.130215,
        0.983868, 0.904867, 0.136897,
        0.993248, 0.906157, 0.143936
    };

    copy(&(data[3*(int)(x * 255.0)]), color);
}

void get_cividis_color(float x, float *color)
{
    x = max(0, min(1, x));

    float data[] =
    {
        0.0000, 0.1262, 0.3015,
        0.0000, 0.1292, 0.3077,
        0.0000, 0.1321, 0.3142,
        0.0000, 0.1350, 0.3205,
        0.0000, 0.1379, 0.3269,
        0.0000, 0.1408, 0.3334,
        0.0000, 0.1437, 0.3400,
        0.0000, 0.1465, 0.3467,
        0.0000, 0.1492, 0.3537,
        0.0000, 0.1519, 0.3606,
        0.0000, 0.1546, 0.3676,
        0.0000, 0.1574, 0.3746,
        0.0000, 0.1601, 0.3817,
        0.0000, 0.1629, 0.3888,
        0.0000, 0.1657, 0.3960,
        0.0000, 0.1685, 0.4031,
        0.0000, 0.1714, 0.4102,
        0.0000, 0.1743, 0.4172,
        0.0000, 0.1773, 0.4241,
        0.0000, 0.1798, 0.4307,
        0.0000, 0.1817, 0.4347,
        0.0000, 0.1834, 0.4363,
        0.0000, 0.1852, 0.4368,
        0.0000, 0.1872, 0.4368,
        0.0000, 0.1901, 0.4365,
        0.0000, 0.1930, 0.4361,
        0.0000, 0.1958, 0.4356,
        0.0000, 0.1987, 0.4349,
        0.0000, 0.2015, 0.4343,
        0.0000, 0.2044, 0.4336,
        0.0000, 0.2073, 0.4329,
        0.0055, 0.2101, 0.4322,
        0.0236, 0.2130, 0.4314,
        0.0416, 0.2158, 0.4308,
        0.0576, 0.2187, 0.4301,
        0.0710, 0.2215, 0.4293,
        0.0827, 0.2244, 0.4287,
        0.0932, 0.2272, 0.4280,
        0.1030, 0.2300, 0.4274,
        0.1120, 0.2329, 0.4268,
        0.1204, 0.2357, 0.4262,
        0.1283, 0.2385, 0.4256,
        0.1359, 0.2414, 0.4251,
        0.1431, 0.2442, 0.4245,
        0.1500, 0.2470, 0.4241,
        0.1566, 0.2498, 0.4236,
        0.1630, 0.2526, 0.4232,
        0.1692, 0.2555, 0.4228,
        0.1752, 0.2583, 0.4224,
        0.1811, 0.2611, 0.4220,
        0.1868, 0.2639, 0.4217,
        0.1923, 0.2667, 0.4214,
        0.1977, 0.2695, 0.4212,
        0.2030, 0.2723, 0.4209,
        0.2082, 0.2751, 0.4207,
        0.2133, 0.2780, 0.4205,
        0.2183, 0.2808, 0.4204,
        0.2232, 0.2836, 0.4203,
        0.2281, 0.2864, 0.4202,
        0.2328, 0.2892, 0.4201,
        0.2375, 0.2920, 0.4200,
        0.2421, 0.2948, 0.4200,
        0.2466, 0.2976, 0.4200,
        0.2511, 0.3004, 0.4201,
        0.2556, 0.3032, 0.4201,
        0.2599, 0.3060, 0.4202,
        0.2643, 0.3088, 0.4203,
        0.2686, 0.3116, 0.4205,
        0.2728, 0.3144, 0.4206,
        0.2770, 0.3172, 0.4208,
        0.2811, 0.3200, 0.4210,
        0.2853, 0.3228, 0.4212,
        0.2894, 0.3256, 0.4215,
        0.2934, 0.3284, 0.4218,
        0.2974, 0.3312, 0.4221,
        0.3014, 0.3340, 0.4224,
        0.3054, 0.3368, 0.4227,
        0.3093, 0.3396, 0.4231,
        0.3132, 0.3424, 0.4236,
        0.3170, 0.3453, 0.4240,
        0.3209, 0.3481, 0.4244,
        0.3247, 0.3509, 0.4249,
        0.3285, 0.3537, 0.4254,
        0.3323, 0.3565, 0.4259,
        0.3361, 0.3593, 0.4264,
        0.3398, 0.3622, 0.4270,
        0.3435, 0.3650, 0.4276,
        0.3472, 0.3678, 0.4282,
        0.3509, 0.3706, 0.4288,
        0.3546, 0.3734, 0.4294,
        0.3582, 0.3763, 0.4302,
        0.3619, 0.3791, 0.4308,
        0.3655, 0.3819, 0.4316,
        0.3691, 0.3848, 0.4322,
        0.3727, 0.3876, 0.4331,
        0.3763, 0.3904, 0.4338,
        0.3798, 0.3933, 0.4346,
        0.3834, 0.3961, 0.4355,
        0.3869, 0.3990, 0.4364,
        0.3905, 0.4018, 0.4372,
        0.3940, 0.4047, 0.4381,
        0.3975, 0.4075, 0.4390,
        0.4010, 0.4104, 0.4400,
        0.4045, 0.4132, 0.4409,
        0.4080, 0.4161, 0.4419,
        0.4114, 0.4189, 0.4430,
        0.4149, 0.4218, 0.4440,
        0.4183, 0.4247, 0.4450,
        0.4218, 0.4275, 0.4462,
        0.4252, 0.4304, 0.4473,
        0.4286, 0.4333, 0.4485,
        0.4320, 0.4362, 0.4496,
        0.4354, 0.4390, 0.4508,
        0.4388, 0.4419, 0.4521,
        0.4422, 0.4448, 0.4534,
        0.4456, 0.4477, 0.4547,
        0.4489, 0.4506, 0.4561,
        0.4523, 0.4535, 0.4575,
        0.4556, 0.4564, 0.4589,
        0.4589, 0.4593, 0.4604,
        0.4622, 0.4622, 0.4620,
        0.4656, 0.4651, 0.4635,
        0.4689, 0.4680, 0.4650,
        0.4722, 0.4709, 0.4665,
        0.4756, 0.4738, 0.4679,
        0.4790, 0.4767, 0.4691,
        0.4825, 0.4797, 0.4701,
        0.4861, 0.4826, 0.4707,
        0.4897, 0.4856, 0.4714,
        0.4934, 0.4886, 0.4719,
        0.4971, 0.4915, 0.4723,
        0.5008, 0.4945, 0.4727,
        0.5045, 0.4975, 0.4730,
        0.5083, 0.5005, 0.4732,
        0.5121, 0.5035, 0.4734,
        0.5158, 0.5065, 0.4736,
        0.5196, 0.5095, 0.4737,
        0.5234, 0.5125, 0.4738,
        0.5272, 0.5155, 0.4739,
        0.5310, 0.5186, 0.4739,
        0.5349, 0.5216, 0.4738,
        0.5387, 0.5246, 0.4739,
        0.5425, 0.5277, 0.4738,
        0.5464, 0.5307, 0.4736,
        0.5502, 0.5338, 0.4735,
        0.5541, 0.5368, 0.4733,
        0.5579, 0.5399, 0.4732,
        0.5618, 0.5430, 0.4729,
        0.5657, 0.5461, 0.4727,
        0.5696, 0.5491, 0.4723,
        0.5735, 0.5522, 0.4720,
        0.5774, 0.5553, 0.4717,
        0.5813, 0.5584, 0.4714,
        0.5852, 0.5615, 0.4709,
        0.5892, 0.5646, 0.4705,
        0.5931, 0.5678, 0.4701,
        0.5970, 0.5709, 0.4696,
        0.6010, 0.5740, 0.4691,
        0.6050, 0.5772, 0.4685,
        0.6089, 0.5803, 0.4680,
        0.6129, 0.5835, 0.4673,
        0.6168, 0.5866, 0.4668,
        0.6208, 0.5898, 0.4662,
        0.6248, 0.5929, 0.4655,
        0.6288, 0.5961, 0.4649,
        0.6328, 0.5993, 0.4641,
        0.6368, 0.6025, 0.4632,
        0.6408, 0.6057, 0.4625,
        0.6449, 0.6089, 0.4617,
        0.6489, 0.6121, 0.4609,
        0.6529, 0.6153, 0.4600,
        0.6570, 0.6185, 0.4591,
        0.6610, 0.6217, 0.4583,
        0.6651, 0.6250, 0.4573,
        0.6691, 0.6282, 0.4562,
        0.6732, 0.6315, 0.4553,
        0.6773, 0.6347, 0.4543,
        0.6813, 0.6380, 0.4532,
        0.6854, 0.6412, 0.4521,
        0.6895, 0.6445, 0.4511,
        0.6936, 0.6478, 0.4499,
        0.6977, 0.6511, 0.4487,
        0.7018, 0.6544, 0.4475,
        0.7060, 0.6577, 0.4463,
        0.7101, 0.6610, 0.4450,
        0.7142, 0.6643, 0.4437,
        0.7184, 0.6676, 0.4424,
        0.7225, 0.6710, 0.4409,
        0.7267, 0.6743, 0.4396,
        0.7308, 0.6776, 0.4382,
        0.7350, 0.6810, 0.4368,
        0.7392, 0.6844, 0.4352,
        0.7434, 0.6877, 0.4338,
        0.7476, 0.6911, 0.4322,
        0.7518, 0.6945, 0.4307,
        0.7560, 0.6979, 0.4290,
        0.7602, 0.7013, 0.4273,
        0.7644, 0.7047, 0.4258,
        0.7686, 0.7081, 0.4241,
        0.7729, 0.7115, 0.4223,
        0.7771, 0.7150, 0.4205,
        0.7814, 0.7184, 0.4188,
        0.7856, 0.7218, 0.4168,
        0.7899, 0.7253, 0.4150,
        0.7942, 0.7288, 0.4129,
        0.7985, 0.7322, 0.4111,
        0.8027, 0.7357, 0.4090,
        0.8070, 0.7392, 0.4070,
        0.8114, 0.7427, 0.4049,
        0.8157, 0.7462, 0.4028,
        0.8200, 0.7497, 0.4007,
        0.8243, 0.7532, 0.3984,
        0.8287, 0.7568, 0.3961,
        0.8330, 0.7603, 0.3938,
        0.8374, 0.7639, 0.3915,
        0.8417, 0.7674, 0.3892,
        0.8461, 0.7710, 0.3869,
        0.8505, 0.7745, 0.3843,
        0.8548, 0.7781, 0.3818,
        0.8592, 0.7817, 0.3793,
        0.8636, 0.7853, 0.3766,
        0.8681, 0.7889, 0.3739,
        0.8725, 0.7926, 0.3712,
        0.8769, 0.7962, 0.3684,
        0.8813, 0.7998, 0.3657,
        0.8858, 0.8035, 0.3627,
        0.8902, 0.8071, 0.3599,
        0.8947, 0.8108, 0.3569,
        0.8992, 0.8145, 0.3538,
        0.9037, 0.8182, 0.3507,
        0.9082, 0.8219, 0.3474,
        0.9127, 0.8256, 0.3442,
        0.9172, 0.8293, 0.3409,
        0.9217, 0.8330, 0.3374,
        0.9262, 0.8367, 0.3340,
        0.9308, 0.8405, 0.3306,
        0.9353, 0.8442, 0.3268,
        0.9399, 0.8480, 0.3232,
        0.9444, 0.8518, 0.3195,
        0.9490, 0.8556, 0.3155,
        0.9536, 0.8593, 0.3116,
        0.9582, 0.8632, 0.3076,
        0.9628, 0.8670, 0.3034,
        0.9674, 0.8708, 0.2990,
        0.9721, 0.8746, 0.2947,
        0.9767, 0.8785, 0.2901,
        0.9814, 0.8823, 0.2856,
        0.9860, 0.8862, 0.2807,
        0.9907, 0.8901, 0.2759,
        0.9954, 0.8940, 0.2708,
        1.0000, 0.8979, 0.2655,
        1.0000, 0.9018, 0.2600,
        1.0000, 0.9057, 0.2593,
        1.0000, 0.9094, 0.2634,
        1.0000, 0.9131, 0.2680,
        1.0000, 0.9169, 0.2731
    };

    copy(&(data[3*(int)(x * 255.0)]), color);
}

void get_github_color(float x, float *color)
{
    x = max(0, min(1, x));

    float data[] =
    {
        0.933333, 0.933333, 0.933333,
        0.776470, 0.894117, 0.545098,
        0.482352, 0.788235, 0.435294,
        0.137254, 0.603921, 0.231372,
        0.098039, 0.380392, 0.152941
    };

    float a  = x * ((sizeof(data) / sizeof(float) / 3) - 1);
    float t  = a - floor(a);
    float *c0 = &(data[3*(int)a]);
    float *c1 = &(data[3*(int)(a+0.5)]);

    interpolate(c0, c1, t, color);
}